This is a guest post by Mohamed Jallow, grants officer at IntraHealth International, a nonprofit organization that empowers health workers around the world to better serve their communities. A version of this post originally appeared on VITAL, IntraHealth International’s blog.

“I am afraid for my life, I must say, because I cherish my life,” said Dr. Sheik Umar Khan, one of the leading doctors fighting the spread of the Ebola virus in eastern Sierra Leone. Last week, Dr. Khan’s fears came true when he was diagnosed with Ebola virus disease. He succumbed to the deadly disease on Tuesday and died at the very same hospital in Kenema where, just a few weeks ago, he was treating patients from the nearby district of Kailahun.

Dr. Khan is only one among a growing list of medical workers who have been infected while battling the spread of Ebola across West Africa. In Sierra Leone, over forty nurses and other frontline health workers have died in the line of duty. In neighboring Liberia, two prominent doctors—Samuel Brisbane, a Liberian doctor, and Kent Brantley, an American doctor from North Carolina working for Samaritan’s Purse—have been infected with the disease while treating patients.

Losing Dr. Kahn is an unmeasurable loss to Sierra Leone. According to the country’s minister of health, the doctor treated more than one hundred victims since the first reports of the Ebola outbreak back in February. The disease, with a fatality rate of up to 90 percent, has claimed the lives of more than six hundred people in Guinea, Liberia, and Sierra Leone.

Sierra Leone’s health care system is already underfunded and understaffed, and now the Ebola outbreak is putting a strain on the country’s limited resources. In Liberia and Guinea, the response to the Ebola virus has inundated their respective health systems and disrupted cross-border commercial activities, the main lifeline of border communities. Liberia has announced the closure of its land borders with Guinea and Sierra Leone and has stepped up surveillance at all airports.

According to the World Health Organization, Sierra Leone is among eighty-three countries facing a health worker crisis. The mounting death toll of health workers is only going to exacerbate the already perilous situation. The outbreak’s effects will linger long after the epidemic is brought under control. Moreover, the reputation of health workers is suffering. Sierra Leone is rife with rumors of health workers infecting patients, and families have at times violently attacked hospital staff and removed infected relatives from hospitals. This has, of course, contributed to the spread of the disease in other parts of the country. The long-term consequence of all this is that Sierra Leone’s health system will be weakened even further, reversing gains in providing essential life-saving interventions, especially for pregnancy and newborn services, and access to the care, treatment, and prevention of highly prevalent disease such as malaria, tuberculosis, and HIV/AIDS.